Portland International Airport Weather Forecast

    • 53
    • 63

    Rain

    • 50
    • 60

    Rain Showers

    • 48
    • 63

    Chance Rain Showers

    • 50
    • 67

    Slight Chance Rain Showers

    • 52
    • 70

    Patchy Fog

    • 53
    • 73

    Mostly Sunny

Today 19 Sep Greater Portland Metro Area

Showers, some with small Hail, and a slight chance of Thunderstorms until Midday, then Showers and a chance of Thunderstorms in the afternoon. Some Thunderstorms may produce small hail. Highs around 60. Southwest wind 5 to 15 Mph. Chance of precipitation near 100 percent. Rainfall Amounts around a quarter of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 19 Sep Greater Portland Metro Area

Showers in the Evening, then rain after midnight. Rain may be heavy at Times after midnight. Lows 50 to 55. Southwest wind 5 to 10 Mph becoming light after midnight. Chance of precipitation near 100 percent. Rainfall Amounts one inch to one and a half Inches.

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Portland International Airport Temperature Statistics

September Temperature

Portland, Portland International Airport (0.6 miles)

  • Lowest 15 September, 2017

    48.9 °F
  • Average September

    70.2 °F
  • Highest 2 September, 2017

    96.1 °F

Climate (2010–Present)

Portland, Portland International Airport (0.6 miles)

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  • Average Low 2010–Present

    47.9 °F
  • Average 2010–Present

    55.6 °F
  • Average High 2010–Present

    64.8 °F
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